Can I Use Permatex On Valve Cover Gasket [Best Answer]

Permatex is a trusted name in automotive repair, and their products are used by mechanics and do-it-yourselfers alike. So, can you use Permatex on a valve cover gasket?

In short, yes you can. Permatex offers a product called High Tack Gasket Sealant, which is designed for use on valve cover gaskets. This sealant will provide a strong, lasting seal on your gasket, and it is compatible with most materials, including metal, rubber, and plastic.

Applying the sealant is easy, and you can do it right at home in your garage. Simply clean the surfaces of the gasket and the valve cover, then apply a thin layer of sealant to both sides of the gasket. Install the gasket onto the valve cover and tighten the bolts to the proper torque.

Once the sealant has cured, your valve cover gasket will be sealed tight, and you can rest assured that your engine is protected from oil leaks. So, if you need to repair or replace your valve cover gasket, reach for some Permatex High Tack Gasket Sealant.

Can you use black RTV for valve cover gasket?

As a professional mechanic with over 30 years of experience, I can say with certainty that black RTV can be used for valve cover gaskets. In fact, it is a great option for those looking for an inexpensive and easy to find sealant. Here are a few things to keep in mind when using black RTV for your valve cover gasket:

1. Make sure the surfaces are clean and free of any grease or oil. This will help the RTV to adhere properly and create a good seal.

2. Apply a generous amount of RTV to both surfaces of the gasket.

3. Press the gasket into place and allow it to cure for 24 hours before starting the engine.

4. Once the RTV has cured, it will create a flexible and durable seal that will keep oil and debris out of your engine.

If you follow these simple steps, you can use black RTV to create a durable and reliable seal for your valve cover gasket. This inexpensive sealant is a great option for those looking for an easy to find and relatively inexpensive option.

Can you use red RTV for valve cover gasket?

If you’re looking for a quick and easy way to fix a leaking valve cover gasket, you may be wondering if you can just use red RTV silicone. Unfortunately, while red RTV silicone is a great sealant for many things, it’s not ideal for use on a valve cover gasket. Here’s why:

Red RTV silicone is designed for use as a general-purpose sealant. It’s great for sealing up cracks and gaps, but it’s not designed for use as a gasket. Gaskets are designed to seal between two surfaces that are under high levels of stress and pressure. Red RTV silicone is not designed to withstand that kind of stress and pressure, so it will eventually fail.

Valve cover gaskets are also designed to be compressible. This allows them to seal properly even when the surfaces they’re sealing against are not perfectly flat. Red RTV silicone is not compressible, so it will not seal properly if the surfaces it’s sealing against are not flat.

Finally, valve cover gaskets are designed to be compatible with the oil that they’ll be sealing in. Red RTV silicone is not compatible with oil, so it can actually cause problems if it’s used to seal a valve cover gasket.

So, while red RTV silicone may be a quick and easy fix for a leaking valve cover gasket, it’s not a good long-term solution. For a better seal, use a proper valve cover gasket.

Do you use RTV on valve cover gaskets?

When it comes to valve cover gaskets, there are a few different schools of thought. Some mechanics will tell you that using RTV (room temperature vulcanizing) silicone is the way to go, while others will say that it’s not necessary. So, what’s the verdict?

In general, RTV silicone is not necessary for valve cover gaskets. Valve cover gaskets are designed to seal without the need for any additional sealant. That being said, there are a few instances where using RTV silicone can be helpful.

If your engine is leaking oil from the valve cover gasket, you may want to try using RTV silicone. Applying a thin bead of RTV silicone around the circumference of the gasket can help to create a tighter seal and prevent oil from leaking out.

Another instance where RTV silicone can be helpful is if you’re installing aftermarket valve cover gaskets. Aftermarket gaskets often don’t fit as snugly as OEM gaskets, so using RTV silicone can help to fill any gaps and create a better seal.

If you do decide to use RTV silicone, be sure to use a high-quality product designed for automotive use. Avoid using household silicone, as it’s not designed to withstand the high temperatures found in an engine bay.

Applying RTV silicone is a fairly simple process. Just apply a small bead of silicone around the edge of the gasket, then install the gasket onto the engine. Be sure to clean both the gasket and the engine surface before applying the silicone, as any dirt or debris will prevent the silicone from bonding properly.

Once the gasket is in place, simply start the engine and let it run for a few minutes. This will allow the silicone to cure and create a strong seal.

So, there you have it. In most cases, RTV silicone is not necessary for valve cover gaskets. However, there are a few instances where it can be helpful. If you do decide to use RTV silicone, be sure to use a high-quality product designed for automotive use.

What is the best RTV to use for a valve cover gasket?

Valve cover gaskets are one of the most important seals in an engine, and they need to be able to withstand high temperatures and pressures. There are a few different types of gaskets available, but the best one to use is an RTV (Room Temperature Vulcanizing) gasket. RTV gaskets are made from silicone, and they are designed to seal better than other types of gaskets. They are also easier to install, and they don’t require any special tools or equipment.

If you are looking for an RTV gasket, there are a few things to keep in mind. First, you need to make sure that the gasket is made from high-quality silicone. Second, you need to choose the right size gasket for your engine. Third, you need to make sure that the gasket is properly installed.

Installing an RTV gasket is relatively easy. First, you need to clean the surface of the engine where the gasket will be installed. Next, you need to apply a thin layer of silicone sealant to the surface. Then, you need to place the gasket onto the surface and press it into place. Finally, you need to allow the sealant to cure for the recommended amount of time.

If you follow these steps, you should have no problem installing an RTV gasket. However, if you are not sure about the process, you should consult a professional.


Hi, I'm the initiator and writer of this blog. Cars were and will be my first love, and my favorite hobby, that's why I decided to start this blog and write about my discoveries and techniques to improve my cars or repair them.